discovery|04/22/1990|nn
discovery|)|punc
astronauts|discovery|gen
astronauts|five|nn
returned|astronauts|subj
returned|04/22/1990|on
attempt|second|post
returned|attempt|for
attempt|launch|rel
launch|attempt|subj
launch|shuttle|obj
payload|nasa|gen
valuable|most|mod
payload|valuable|mod
valuable|and|punc
valuable|celebrated|conj
shuttle|payload|with
hubble space telescope|$1.5 billion|nn
payload|hubble space telescope|appo
astronauts|five|nn
boarded|astronauts|subj
boarded|discovery|obj
discovery|04/24/1990|on
try|second|post
discovery|try|for
try|sending|at
sending|astronaut|subj
telescope|hubble|nn
telescope|space|nn
sending|telescope|obj
telescope|orbit|into
orbit|scan|rel
scan|orbit|subj
reaches|outermost|mod
scan|reaches|obj
reaches|universe|of
universe|clues|for
clues|beginning|to
beginning|time|of
astronauts|discovery|nn
launched|triumphantly|mod-before
launched|astronauts|subj
orbit|$1.5-billion|mod
orbit|hubble space telescope|nn
orbit|one|nn
launched|orbit|obj
orbit|late|pnmod
late|04/25/1990|on
launched|after|mod
commands|last-ditch|mod
commands|earth|from
after|freed|comp1
freed|commands|subj
solar panel|stuck|nn
freed|solar panel|obj
averting|narrowly|amod
freed|averting|mod
averting|command|subj
spacewalk|daring|mod
spacewalk|emergency|mod
averting|spacewalk|obj
discovery|space|nn
discovery|shuttle|nn
miles|46|amount-value
was|miles|pred
was|away|mod
problems|remedy|nn
problems|certain|mod
available|problems|to
